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-rw-r--r--include/pci.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/pci.h b/include/pci.h
index dce159f277..628ede0957 100644
--- a/include/pci.h
+++ b/include/pci.h
@@ -231,6 +231,8 @@
#define PCI_MIN_GNT 0x3e /* 8 bits */
#define PCI_MAX_LAT 0x3f /* 8 bits */
+#define PCI_INTERRUPT_LINE_DISABLE 0xff
+
/* Header type 1 (PCI-to-PCI bridges) */
#define PCI_PRIMARY_BUS 0x18 /* Primary bus number */
#define PCI_SECONDARY_BUS 0x19 /* Secondary bus number */